Angelique Kerber defeated Katarzyna Piter 6-3 6-1 in the Roland Garros round of 128 on clay. The result followed the form book — Angelique Kerber came in leading the head-to-head 1–0, defending last year's round of 16. Angelique Kerber extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Sofia 100K | R32 | clay | Angelique Kerber | 1-6 6-3 6-1 |
Averages over each player's completed matches in the selected window (198 vs 149). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About